/Engine/Source/Editor/Sequencer/Public/IKeyArea.h
Copy all the keys specified in KeyMask to the specified clipboard
void CopyKeys ( [FMovieSceneClipboardBuilder](API\Runtime\MovieScene\FMovieSceneClipboardBuilder) & ClipboardBuilder, [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FKeyHandle](API\Runtime\Engine\Curves\FKeyHandle) > KeyMask ) const